Drilling Pipe

2024-02-20 11:02　81 views

Sunrise Petro: A Pioneer in Drilling Pipe Manufacturing in China

Sunrise Petro boasts extensive experience in manufacturing API 5DP drilling pipes. Since its inception, the company has remained committed to market-driven innovation, utilizing research and development (R&D) as a key driver for continuous product quality improvement. This commitment has led to the achievement of multiple quality certifications, including ISO 9001, API 5DP, and NOV.

Recognizing the need for adaptability, Sunrise Petro offers a diverse range of API 5DP drilling pipes tailored to suit various environments and applications. This ensures that customers receive products that are not just reliable but also optimized for their specific needs.

The company's products are exported globally, reaching markets in the United States, Canada, Europe, Africa, the Middle East, and beyond. This global reach demonstrates Sunrise Petro's commitment to providing high-quality drilling pipe solutions on an international scale.

Description

The drilling pipe is the basic component of the drill string, which is mainly used to transmit torque, convey drilling fluid, and continuously connect the drill pipe in the drilling process to deepen the borehole. The working environment of drill pipe is the worst in drilling operation. In addition to bearing the torque, it is also subject to the tensile stress generated by the weight of the drill string itself, and the higher the stress, the greater the stress.

Upset Types

According to API standards, there are 3 types of upset: IU(internal upset), EU(external upset)and IEU(internal and external upset).

IEU: Internal and external upset drilling is to reduce the inner diameter and increase the outer diameter at both ends of the pipe to increase the wall thickness of the pipe at both ends. The drill pipe of this structure combines the advantages of the drill pipes of the above two structures.

EU:The inner diameter of the extra upset drill pipe is the same, but the outer diameter of both ends of the pipe body is increased. The outer diameter of this drill pipe joint is larger than the outer diameter of the drill pipe joint of the same size, which increases the contact friction between the joint and the well wall when rotating in the well and is easy to wear; Because the inner diameter of the drill pipe is the same as the inner diameter of the pipe body, the flow resistance is small when the drilling fluid is circulated.

IU: The inner upset reduces the inner diameter of both ends of the pipe body to increase the thickness of the pipe wall. The outer diameter of this drill pipe is the same, and the outer diameter of the joint is not too large. When rotating in the well, the contact between the joint and the well wall is small, and the wear is also small. However, because the inner diameter of the upset part is smaller than the inner diameter of the pipe body, the flow resistance during the circulation of drilling fluid is increased.

Basic Parameters

Production steps

Sunrise drilling pipe production mainly follows these steps:

Raw Material Test
raw pipe end heating

pipe end upset

pipe body straightening

pipe body and end inspection

upset pipe finished

Then for welding heat treatment it follows:

Austenite
quenching
temper
quenching
temper
Non-destructive inspection
pipe and tool joint friction welding
annealing
welds processing
weld zone inspection
finished drill pipe

Any question about drill pipe oil and gas (drill pipe price,drilling pipe for sale) ,please email sales@sunrise-petroleum.com , you will get reply within 12 hours!

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